text: /* include/corecg/SkFloatingPoint.h
  **
  ** Copyright 2006, Google Inc.
  **
  ** Licensed under the Apache License, Version 2.0 (the "License"); 
  ** you may not use this file except in compliance with the License. 
  ** You may obtain a copy of the License at 
  **
  **     http://www.apache.org/licenses/LICENSE-2.0 
  **
  ** Unless required by applicable law or agreed to in writing, software 
  ** distributed under the License is distributed on an "AS IS" BASIS, 
  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
  ** See the License for the specific language governing permissions and 
  ** limitations under the License.
  */
  
  #ifndef SkFloatingPoint_DEFINED
  #define SkFloatingPoint_DEFINED
  
  #include "SkTypes.h"
  
  #ifdef SK_CAN_USE_FLOAT
  
  #include <math.h>
  #include <float.h>
  
  #ifdef SK_BUILD_FOR_WINCE
      #define sk_float_sqrt(x)        (float)::sqrt(x)
      #define sk_float_sin(x)         (float)::sin(x)
      #define sk_float_cos(x)         (float)::cos(x)
      #define sk_float_tan(x)         (float)::tan(x)
      #define sk_float_acos(x)        (float)::acos(x)
      #define sk_float_asin(x)        (float)::asin(x)
      #define sk_float_atan2(y,x)     (float)::atan2(y,x)
      #define sk_float_abs(x)         (float)::fabs(x)
      #define sk_float_mod(x,y)       (float)::fmod(x,y)
      #define sk_float_exp(x)         (float)::exp(x)
      #define sk_float_log(x)         (float)::log(x)
      #define sk_float_floor(x)       (float)::floor(x)
      #define sk_float_ceil(x)        (float)::ceil(x)
  #else
      #define sk_float_sqrt(x)        sqrtf(x)
      #define sk_float_sin(x)         sinf(x)
      #define sk_float_cos(x)         cosf(x)
      #define sk_float_tan(x)         tanf(x)
      #define sk_float_floor(x)       floorf(x)
      #define sk_float_ceil(x)        ceilf(x)
  #ifdef SK_BUILD_FOR_MAC
      #define sk_float_acos(x)        acos(x)
      #define sk_float_asin(x)        asin(x)
  #else
      #define sk_float_acos(x)        acosf(x)
      #define sk_float_asin(x)        asinf(x)
  #endif
      #define sk_float_atan2(y,x) atan2f(y,x)
      #define sk_float_abs(x)         fabsf(x)
      #define sk_float_mod(x,y)       fmodf(x,y)
      #define sk_float_exp(x)         expf(x)
      #define sk_float_log(x)         logf(x)
      #define sk_float_isNaN(x)       _isnan(x)
  #endif
  
  #endif
  #endif
  